
Operation and maintenance personnel monitor the operation of equipment in the main control room of the Zhongning converter station, the sending end of the Ningxia-Hunan ±800 kV ultra-high voltage (UHV) direct current transmission project in Zhongwei City, northwest China's Ningxia Hui Autonomous Region, Aug. 20, 2025.

An aerial drone photo taken on Aug. 20, 2025 shows the Zhongning converter station, the sending end of the Ningxia-Hunan ±800 kV ultra-high voltage (UHV) direct current transmission project in Zhongwei City, northwest China's Ningxia Hui Autonomous Region.

Operation and maintenance personnel monitor the operation of equipment in the main control room of the Zhongning converter station, the sending end of the Ningxia-Hunan ±800 kV ultra-high voltage (UHV) direct current transmission project in Zhongwei City, northwest China's Ningxia Hui Autonomous Region, Aug. 20, 2025.

An aerial drone photo taken on Aug. 20, 2025 shows the direct current transmission lines, across the Yellow River, of the Ningxia-Hunan ±800 kV ultra-high voltage (UHV) direct current transmission project in Zhongwei City, northwest China's Ningxia Hui Autonomous Region.